Sander



FIG. 1 is a front perspective view of a sander showing my new design. FIG. 2 is a left side elevational view thereof. FIG. 3 is a right side elevational view thereof. FIG. 4 is a front elevational view thereof. FIG. 5 is a rear elevational view thereof. FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. 

The ornamental design for a sander, as shown and described. 